What does the launcher do with regard to the operation of the game that cannot be done within the actual game itself? Is it due to a technical limitation or simply there for the convenience of the players? Are there alternatives to such methods of starting the execution of games?
That, my friends, is also how you play games from the epic store. And how to bypass steam as well.
Doesn’t work with every game, though. Some have DRM that depends on the launcher and/or authentication.